import {request} from '../../request/index.js'
Page({

  /**
   * 页面的初始数据
   */
  data: {
    goodsObj:[],
    isCollect:false
  },
  GoodsInfo:[],
  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    //console.log(options);
    //const goods_id = options.cid
    //this.getGoodsDetail(goods_id)
  },
  async getGoodsDetail(goods_id){
    const goodsObj = await request({url:"/goods/detail",data:{goods_id}})
    this.GoodsInfo=goodsObj
    //console.log(res);
    let collect = wx.getStorageSync('collect') || []
    //判断当前商品是否被收集
    let isCollect = collect.some(v => v.goods_id === this.GoodsInfo.goods_id)
    this.setData({
      isCollect,
      goodsObj:{
        goods_name:goodsObj.goods_name,
        goods_price:goodsObj.goods_price,
        goods_introduce:goodsObj.goods_introduce.replace(/\.webp/g,'.jpg'),
        pics: goodsObj.pics,
      }
    })
  },
  handleCollect(){
    let isCollect=false
    let collect = wx.getStorageSync('collect') || []
    let index = collect.findIndex(v => v.goods_id === this.GoodsInfo.goods_id)
    if (index!==-1) {
      collect.splice(index,1)
      isCollect = false
      wx.showToast({
        title: '取消成功',
        icon: 'success',
        mask: true
      });
    }else{//没有被收藏
      collect.push(this.GoodsInfo)
      isCollect = true
      wx.showToast({
        title: '收藏成功',
        icon: 'success',
        mask: true
      });
    }
    wx.setStorageSync("collect",collect)
    this.setData({
      isCollect
    })
  },
  handlePrevewImage(e){
    const urls = this.GoodsInfo.pics.map(v=>v.pics_mid)
    const current = e.currentTarget.dataset.url
    wx.previewImage({
      current,
      urls,
    })
  },
  handleCartAdd(){
    console.log('添加成功');
    let cart = wx.getStorageSync("cart")||[];
    let index = cart.findIndex(v=>v.goods_id===this.GoodsInfo.goods_id)
    if (index===-1) {//不存在
      this.GoodsInfo.num = 1
      this.GoodsInfo.checked = true
      cart.push(this.GoodsInfo)
    }else{
      cart[index].num++
    }
    wx.setStorageSync("cart", cart);
    wx.showToast({
      title: '加入成功',
      icon: 'success',
      mask: true,
    });
      
  },
  /**
   * 生命周期函数--监听页面初次渲染完成
   */
  onReady: function () {

  },

  /**
   * 生命周期函数--监听页面显示
   */
  onShow: function () {
    var pages = getCurrentPages();
    let curPages=pages[pages.length-1]
    let options = curPages.options
    const goods_id=options.cid
    this.getGoodsDetail(goods_id)
  },

  /**
   * 生命周期函数--监听页面隐藏
   */
  onHide: function () {

  },

  /**
   * 生命周期函数--监听页面卸载
   */
  onUnload: function () {

  },

  /**
   * 页面相关事件处理函数--监听用户下拉动作
   */
  onPullDownRefresh: function () {

  },

  /**
   * 页面上拉触底事件的处理函数
   */
  onReachBottom: function () {

  },

  /**
   * 用户点击右上角分享
   */
  onShareAppMessage: function () {

  }
})